beck@ubuntu:~$ sudo apt-get update && sudo apt-get upgrade
[sudo] password for beck: 
sudo: unable to open /var/lib/sudo/beck/3: No such file or directory
Ign http://us.archive.ubuntu.com trusty InRelease
Ign http://security.ubuntu.com trusty-security InRelease           
Ign http://us.archive.ubuntu.com trusty-updates InRelease           
Ign http://security.ubuntu.com trusty-security Release.gpg                     
Ign http://us.archive.ubuntu.com trusty-backports InRelease                    
Ign http://us.archive.ubuntu.com trusty Release.gpg                            
Ign http://security.ubuntu.com trusty-security Release                         
Ign http://us.archive.ubuntu.com trusty-updates Release.gpg                    
Ign http://nginx.org trusty InRelease                                         
Ign http://us.archive.ubuntu.com trusty-backports Release.gpg                
Hit http://us.archive.ubuntu.com trusty Release                              
W: Not using locking for read only lock file /var/lib/apt/lists/lock         
E: Couldn't create temporary file to work with /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_trusty_Release - mkstemp (30: Read-only file system)
W: Not using locking for read only lock file /var/lib/dpkg/lock
beck@ubuntu:~$ sudo dpkg --configure -a
[sudo] password for beck: 
sudo: unable to open /var/lib/sudo/beck/3: No such file or directory
dpkg: error: unable to access dpkg status area: Read-only file system
beck@ubuntu:~$